BT138X-600E,127

Triacs Overview

The BT138X-600E,127 is a four-quadrant sensitive gate triac manufactured by WeEn Semiconductors. It features a rated repetitive off-state voltage (VDRM) of 600 V and an RMS on-state current (It RMS) of 12 A. The device supports a non-repetitive peak on-state current of 105 A with a maximum on-state voltage of 1.4 V. Gate triggering characteristics include a maximum gate trigger voltage (Vgt) of 700 mV and a maximum gate trigger current (Igt) of 11 mA. The component operates within a junction temperature range of -40 °C to +125 °C and utilizes a TO-220FP-3 through-hole package.

Triacs Feature Summary

• Sensitive gate design enabling direct interfacing with logic level ICs and low power gate drive circuits
• Four-quadrant gate triggering capability for reliable switching in AC applications
• Passivated chip construction housed in a plastic package for environmental protection

Triacs Applications

• General purpose switching and phase control circuits
• 230 V lamp dimmers
• Resistive load control systems

Triacs Procurement Notes

Verify the manufacturer part number BT138X-600E,127 against official WeEn Semiconductors documentation to confirm specifications. Ensure the ordering suffix ,127 corresponds to the required tape and reel packaging format. Cross-reference datasheet revisions to validate electrical parameters before integration into production designs.

Triacs Selection Notes

Select this component when a 12 A RMS current rating and 600 V blocking voltage are required for AC load control. The sensitive gate variant is suitable for applications driven directly by microcontrollers or logic gates without additional buffer amplifiers. Verify that the TO-220FP-3 package dimensions fit the thermal and mechanical constraints of the target PCB layout.

Triacs Part Context

This triac belongs to the BT138 series of four-quadrant sensitive gate thyristors. The series is widely utilized in residential and industrial AC power control applications. The specific model integrates a passivated silicon chip designed for robust performance in phase control scenarios, distinguishing it from standard gate variants through its lower gate trigger requirements.

Triacs Replacement Considerations

Compatible substitutes within the same family include the BT138-600E,127 and BT138-600/DG,127. These alternatives share identical electrical ratings but may differ in physical package style, such as TO-220AB versus TO-220FP. Verify pinout compatibility and thermal resistance values before substituting.